OS3030 Changing and scanning the basic settings
16. Maintenance
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16. Maintenance
If a code number has
been defined in order to
safeguard against unau-
thorised activation of the
"MAINTENANCE" phase, you will have to enter this number before you can
select step 16.1. If you do not know the code no., you can proceed within
the program or interrupt the programming sequence.
The maintenance phase is started from the stop during maintenance phase.
It comprises two time-dependent stages which run in consecutive order.
Once this phase is over, the controller returns to the stop during mainte-
nance phase.
You define whether the input valve and the concentrate valve are open
during these 3 stages, and when the pressure pump kicks in.
In the case of equipment with an IF plug-in card, you also specify whether
or not the OUT 1 and OUT 2 outputs are active.
N.B.!
If the "low-water", external alarm switch " or "stop" inputs are used, specify
whether or not they are to be active during the maintenance phase. This is
done is programming steps 5.8, 5.12 and 5.13 respectively. The conductiv-
ity limits are not queried.
If a power failure occurs during the maintenance phase, the controller
switches to the stop during maintenance phase when the power supply
returns. If a code number has been defined for the "maintenance" phase, it
must be re-entered.
Stage 1
Set the time of the first
stage. The permissible
range is 0 to 9000 sec-
onds. If you select 0, the
stage is skipped.
In the case of the 1
st
stage, specify which
valves are open, whether
the high-pressure is run-
ning and which outputs are active if there is a plug-in card installed.
N.B.!
The OUT 1 and OUT 2 outputs are only switched on or off in line with these
program settings, irrespective of the functions selected in programming
steps 6.1 and 6.2.
This allows the outputs (AP, PV) to be used for another function (other than
dosing) during the maintenance phase.
Press INFO to see the meaning of the abbreviation in plain text.
PU = High-pressure pump DO = Dosing
IV = Input valve AP = Additional program
CV = Concentrate valve PV = Permeate valve
S t e p n o . : 1 6 . 2
P U - I V - C V | P V - D O
-
S t e p n o . : 1 6 . 0
C o d e n u m b e r * * * *
S t e p n o . : 1 6 . 1
M a i n t e n a . 1 2 0 s
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